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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD9927BBCZ датащи(PDF) 5 Page - Analog Devices |
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AD9927BBCZ датащи(HTML) 5 Page - Analog Devices |
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5 / 100 page  AD9927 Rev. 0 | Page 5 of 100 ANALOG SPECIFICATIONS AVDD = 1.8 V, fCLI = 40 MHz, typical timing specifications, TMIN to TMAX, unless otherwise noted. Table 3. Parameter Min Typ Max Unit Notes CDS1 Allowable CCD Reset Transient 0.5 1.2 V CDS Gain Accuracy VGA gain = 6.3 dB (Code 15, default value) −3.0 dB CDS Gain −3.3 −2.8 −2.3 dB 0 dB CDS Gain −0.5 0 +0.5 dB +3 dB CDS Gain 2.4 2.9 3.4 dB +6 dB CDS Gain 5.0 5.5 6.0 dB Maximum Input Range Before Saturation VGA gain = 6.3 dB (Code 15, default value) −3 dB CDS Gain 1.4 V p-p 0 dB CDS Gain 1.0 V p-p +3 dB CDS Gain 0.7 V p-p +6 dB CDS Gain 0.5 V p-p Allowable OB Pixel Amplitude1 0 dB CDS Gain (Default) −100 +200 mV +6 dB CDS Gain −50 +100 mV VARIABLE GAIN AMPLIFIER (VGA) Gain Control Resolution 1024 Steps Gain Monotonicity Guaranteed Gain Range Low Gain (VGA Code 15, Default) 6.3 dB Maximum Gain (VGA Code 1023) 42.4 dB BLACK LEVEL CLAMP Clamp Level Resolution 1024 Steps Clamp Level Measured at ADC output Minimum Clamp Level (Code 0) 0 LSB Maximum Clamp Level (Code 1023) 255 LSB ADC Resolution 14 Bits Differential Nonlinearity (DNL) −1.0 ±0.5 LSB No Missing Codes Guaranteed Integral Nonlinearity (INL) 4 16 LSB Full-Scale Input Voltage 2.0 V VOLTAGE REFERENCE Reference Top Voltage (REFT) 1.4 V Reference Bottom Voltage (REFB) 0.4 V SYSTEM PERFORMANCE Includes entire signal chain Gain Accuracy 0 dB CDS gain Low Gain (VGA Code 15) 5.8 6.3 6.8 dB Gain = (0.0358 × Code) + 5.76 dB Maximum Gain (VGA Code 1023) 41.9 42.4 42.9 dB Peak Nonlinearity, 1.0 V Input Signal 0.1 0.3 % 6 dB VGA gain, 0 dB CDS gain applied Total Output Noise 0.5 LSB rms AC-grounded input, 6 dB VGA gain applied Power Supply Rejection (PSR) 50 dB Measured with step change on supply 1 Input signal characteristics defined as follows: 200mV MAX OPTICAL BLACK PIXEL 500mV TYP RESET TRANSIENT 1V MAX INPUT SIGNAL RANGE (0dB CDS GAIN) |
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